Ball Valve, Butterfly Valve, Electric Actuator Manufacturer & Supplier

SLVCN's Featured Products

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Pneumatic Threaded Ball Valve with Limit Switch
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Pneumatic V-Port Ball Valve With Positioner
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Electric 3 Way Thread Ball Valve
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Electric High Temperature Flange Ball Valve
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Pneumatic Lug Butterfly Valve
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Pneumatic Metal-Seated Butterfly Valve with Positioner
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Electric Double Flanged Butterfly Valve
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Electric Lined Fluorine Butterfly Valve
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Class 300 Trunnion-mounted Forged Steel Ball Valve
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Class 900 Reduced Port Ultra-Low-Temperature Ball Valve
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Class 1500 High Pressure Ball Valve
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Class 2500 High Pressure Ball Valve

About Shoulong Specialized In Flow Control Valve

SLVCN - Jiangsu Shoulong Valve Co., Ltd, is a leading professional valve manufacturer based in Nanjing, China.

Our company boasts a comprehensive range of production and testing equipment, ensuring the highest quality standards for our products.

Customers

Industry experience

Countries

Our Factory

Our Advantage

Why Global Customers Choose SLVCN?

Why SLV Is Trusted By So Many Globel Importer?

Direct Factory

We have our own R&D dept with self-developed mould and our own production line.

Full-range Product

Our product suitable for various fields and we can provide diversified choices according to different working conditions.

Guaranteed Quality

High quality standards, one purchase with lifetime service, quality assurance is unequivocal.

Service Team

Professional service team with timely reply and detailed answer.

Double Block and Bleed Ball Valve

Class 300 Trunnion-mounted Forged Steel Ball Valve

Class 900 Reduced Port Ultra-Low-Temperature Ball Valve

Class 1500 High Pressure Ball Valve

Class 2500 High Pressure Ball Valve

Shoulong Valve Applications In Multiple Industries

We specialize in manufacturing a wide variety of valves, including ball valves, butterfly valves, globe valves, gate valves, check valves, and solenoid valves.

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Meet SLVCN at CAOG 2026 in Kazakhstan | Booth A22

SLVCN will attend CAOG 2026 at Booth A22 to meet industry partners, understand real project needs, and discuss customized valve solutions for oil & gas and industrial applications.

Case Study: Pneumatic PTFE-Lined Wafer Butterfly Valves Shipped to Southeast Asia

SLVCN completed the shipment of DN40 and DN50 pneumatic PTFE-lined wafer butterfly valves with double acting pneumatic actuators, limit switches, and DC24V solenoid valves for a customer in Southeast Asia.

From Stainless To Carbon: Which Metallic Ball Valve Material Fits Your Pipeline?

Choosing the right material is critical when selecting a metallic ball valve. Stainless steel, carbon steel, duplex stainless steel, and alloy steel each offer unique strengths for different industries and working conditions. This guide explains their corrosion resistance, advantages, and typical applications to help buyers make smarter decisions.